SCULLY WILLIAM P bought PRTA
October 2, 2026 · Form 4 insider transaction
SCULLY WILLIAM P bought 100,000 shares of Prothena Corporation plc at $8.57 per share, a transaction worth $857.2K. The trade was recorded as open-market purchase and disclosed on an SEC Form 4, filed 4 days after the transaction.
Footnotes
The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.5150 to $8.6098, inclusive. The reporting person undertakes to provide to Prothena Corp Public Ltd Co, any security holder of ProthenaCorp Public Ltd Co, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.